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Bodsy

Member Since: 20 May 2010
Location: Shropshire
Posts: 61

No lights.....

Evening wizened ones.

Have borrowed a k plate defender 300tdi.lights were fIne until the other day when switching from main to normal, I lost main lights. Sidelights work ok and the dash lights up (well as much as they do...).

Checked all the fuses and all the relays I can see. The relay behind the dash also clicks in as it should and there is output from the relay at 5.6v and then 12v on normal full lights.

I'm confused as I can't see anything else to normally check.....
Bulbs are ok as if I short the relay they light up... Over on D3

13th Jul 2012 5:50pm

ben_j85jty

Member Since: 02 Sep 2008
Location: Bicester, Oxfordshire
Posts: 491

2002 Defender 110 Td5 XS DCPU Bonatti Grey

Its the head lamp switch.

The current for the lamps runs through it and it often fails. Sime fix is to repalce the switch. In the mean time you can bypass the switch with a suitable piece of wire and a few blade connectors. 2002 Defender 110 DC

13th Jul 2012 6:03pm

Bodsy

Member Since: 20 May 2010
Location: Shropshire
Posts: 61

Thanks, will have a look tomorrow and I guess get a replacement switch. Can't believe theyd run the full power through the switch, but I guess that's how cars have developed over the years.

Cheers

Ian Over on D3

13th Jul 2012 7:11pm

ben_j85jty

Member Since: 02 Sep 2008
Location: Bicester, Oxfordshire
Posts: 491

To test it:

pull the switch out and there will be a multiplug. You should have 12v to it, one permanant, one Ign. Get a voltmeater onto it to check you have power to the switch before you go out and buy one.

I rigged up a piece of wire with some blade fixings to get the lights to work while I waited for the switch to be delivered. 2002 Defender 110 DC

13th Jul 2012 7:15pm

Bodsy

Member Since: 20 May 2010
Location: Shropshire
Posts: 61

the normal light switch still seems to trigger the relay.... Will check it in the morning. Am I cheking the Main Beam switch (with indicator) or the low/normal beam switch?
The main beam switch doesnt seem to do anything anymore, is that relying on the main beam being on (or at least power throiugh the main beam circuit? Over on D3

13th Jul 2012 7:43pm

ben_j85jty

Member Since: 02 Sep 2008
Location: Bicester, Oxfordshire
Posts: 491

Main beam, the headlamp switch feeds the ign +ve. 2002 Defender 110 DC

13th Jul 2012 8:32pm

Bodsy

Member Since: 20 May 2010
Location: Shropshire
Posts: 61

Nice one Ben, new light switch unit just put on and all working as it should do.
Cheers.

Over on D3

16th Jul 2012 3:59pm

ben_j85jty

Member Since: 02 Sep 2008
Location: Bicester, Oxfordshire
Posts: 491

Glad it turned out to be that easy! 2002 Defender 110 DC

16th Jul 2012 9:50pm

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